<?php
/*
 *用户接口
 */
header("Content-type: text/html; charset=utf-8;"); 
require '../ppf/fun.php';
require '../ppf/pdo_mysql.php';

$pd=new pdo_mysql();

$username  = $_GET['u'];
$password  = $_GET['p'];

	$s_where="";
	//判断邮件
    $pattern = "/^([0-9A-Za-z\\-_\\.]+)@([0-9a-z]+\\.[a-z]{2,3}(\\.[a-z]{2})?)$/i";

    if(preg_match($pattern,$username) )
    {
        $s_where=$s_where." and email='".$username."' ";
    }
    else if(is_idcard($username)){
        $s_where=$s_where." and idnumber='".$username."' ";
    }
    else if(preg_match("/^1[34578]\d{9}$/", $username)){
        $s_where=$s_where." and mobile='".$username."' ";
    }else{
        $s_where=$s_where." and username='".$username."' ";
    }

    $sql="select * from sys_member where pmd5='".md5($password)."' ".$s_where;

	$user=$pd->query($sql)->fetch(PDO::FETCH_ASSOC);
	if($user)
	{
		$json_result=json_encode($user,JSON_UNESCAPED_UNICODE); 
        echo $json_result;
	}else{
		echo "error";
	}
	

function is_idcard($sid) 
{
    $id = strtoupper($sid);
    $regx = "/(^\d{15}$)|(^\d{17}([0-9]|X)$)/";
    $arr_split = array();
    if(!preg_match($regx, $id)){
        return false;
    }
    if(15==strlen($id)) //检查15位
    {
        $regx = "/^(\d{6})+(\d{2})+(\d{2})+(\d{2})+(\d{3})$/";
        @preg_match($regx, $id, $arr_split); 
        //检查生日日期是否正确
        $dtm_birth = "19".$arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4];
        if(!strtotime($dtm_birth)){
            return false;
        }else{
            return true;
        }
    }else{
        //检查18位 
        $regx = "/^(\d{6})+(\d{4})+(\d{2})+(\d{2})+(\d{3})([0-9]|X)$/";
        @preg_match($regx, $id, $arr_split); 
        $dtm_birth = $arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4]; 
        if(!strtotime($dtm_birth)) //检查生日日期是否正确
        {
            return  false;
        }else{
            //检验18位身份证的校验码是否正确。 
            //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。
            $arr_int = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2); 
            $arr_ch = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
            $sign = 0;
            for ( $i = 0; $i < 17; $i++ ) {
                $b = (int) $id{$i};
                $w = $arr_int[$i];
                $sign += $b * $w;
            }
            $n = $sign % 11; 
            $val_num = $arr_ch[$n]; 
            if ($val_num != substr($id,17, 1)){
                return false;
            }else{
                return true;
            }
        }
    }
}
?>